and don't tell her any details about anything. Your new behavior, what you think about anything, why do are doing anything etc.
H:"I am going out" W:"With who?" H:"A few friends" W:"Who" H:"People you don't know"
H:"I have something important to do" W:"What" H:"Nothing you need to worry about"
W:"Are you OK?" H:"I am great!" (Or any other words like terrific or wonderful and amazing ect)
W:"Why did you move the bed?" H:"I decided I wanted it there." (Use the most simplest statement to get the point across, then do not give any more details)